Photos about sea chubs (Kyphosidae); including larvae and juveniles: Chub (Kyphosus sp.) larvae reared in the laboratory.Pacific chub (Kyphosus sandwicensis) juvenile reared in the laboratory.Halfmoon (Medialuna californiensis) seek shelter in kelp forest. California.Juvenile chubs and jacks make their home on a floating tree branch in the open ocean. Hawaii.Cultured chub (Kyphosidae) larva; 16 dph - 13.5 mm. Hawaii.Cortez chub (Kyphosus elegans) and Pacific red snapper (Lutjanus peru) feeding at the surface. Cocos Island.Motion blur of Cortez chub (Kyphosus elegans) and Pacific red snapper (Lutjanus peru) feeding at the surface. Cocos Island.Senorita (Oxyjulis californica) tends to schooling Halfmoon(Medialuna californiensis). The señorita is a cleaner wrasse, a fish that grooms the parasites and other materials off the bodies of other fish. California.